Preserving Recommender Accuracy and Diversity in Sparse Datasets.
Derry O'SullivanDavid C. WilsonBarry SmythPublished in: FLAIRS Conference (2003)
Keyphrases
- high accuracy
- recommendation algorithms
- collaborative filtering
- prediction accuracy
- error rate
- object recognition
- high dimensional
- recommender systems
- computational efficiency
- sparse matrix
- information retrieval
- sparse data
- highly accurate
- precision and recall
- benchmark datasets
- high dimensional data
- linear combination
- feature selection